Inventor · disambiguated record
Walter Hemmer
Also filed as: HEMMER WALTER
3 granted patents·44 citations·filing 1985–1986
69Inventor score
Technology areasE21C
Top patents by PatentIndex Score
3 records- 0159US4647112ARotary cutter for gouging out ore from mine facesCHARBONNAGES DE FRANCE·Filed 1985·Granted Mar 3, 1987·28 cites·22 claims
- 0243US4668018ARotary cutter with spray nozzles for removal of ores from mine facesCHARBONNAGES DE FRANCE·Filed 1985·Granted May 26, 1987·15 cites·26 claims
- 039US4693517ACutter for gouging ore or rock from mine facesKRUMMENAUER HANS GMBH & CO KG·Filed 1986·Granted Sep 15, 1987·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →